Home / 1,222.22-1,834.35-606.12

Finding the Fourth Proportional to 1,222.22, 1,834.35 and 606.12

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Solution

The fourth proportional to 1,222.22, 1,834.35 and 606.12 is: 909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.22 : 1,834.35 = 606.12 : x
  2. Step 2: Convert to fraction form
    1,222.22/1,834.35 = 606.12/x
  3. Step 3: Cross multiply
    1,222.22x = 1,834.35 × 606.12
  4. Step 4: Simplify right side
    1,222.22x = 1,111,827.07
  5. Step 5: Solve for x
    x = 1,111,827.07/1,222.22
  6. Step 6: Final answer
    x = 909.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.